PROPYLENE-BASED TERPOLYMERS COMPOSITION FOR PIPES
    311.
    发明申请
    PROPYLENE-BASED TERPOLYMERS COMPOSITION FOR PIPES 有权
    用于管道的丙烯基聚合物组合物

    公开(公告)号:US20140349051A1

    公开(公告)日:2014-11-27

    申请号:US14362564

    申请日:2012-12-05

    Abstract: A polyolefin composition comprising:A) from 85.0 wt % to 99.5 wt %; A terpolymer containing propylene, ethylene and 1-hexene wherein:(i) the content of 1-hexene derived units ranges from 1.0 wt % to 5.0%;(ii) the content of ethylene derived units is comprised between 0.5 wt % and 10.0 wt %(iii) the melting temperature ranges from 130° C. to 145° C.;B) from 0.5 wt % to 10.0 wt %; of a propylene, ethylene copolymer composition comprising:b1) from 12 wt % to 52 wt %; of a propylene homopolymer or a propylene/ethylene copolymer having a content of ethylene derived units ranging from 0.1 wt % to 4.5 wt %; and having a xylene soluble content measured at 25° C. lower than 10 wt %;b2) from 48 wt % to 88 wt % of a propylene ethylene copolymer having a content of ethylene derived units ranging from 15.0 wt % to wt % to 42.0 wt %;wherein the resulting polyolefin composition has an melt flow rate (230° C./5 kg. ISO 1133) ranging from 0.2 g/10 min to 4.0 g/10 min; the sum A+B being 100 and the sum b1+b2 being 100.

    Abstract translation: 一种聚烯烃组合物,其包含:A)85.0重量%至99.5重量%; 含有丙烯,乙烯和1-己烯的三元共聚物,其中:(i)1-己烯衍生单元的含量为1.0wt%至5.0%; (ii)乙烯衍生单元的含量为0.5重量%至10.0重量%之间(iii)熔融温度范围为130℃至145℃; B)为0.5重量%〜10.0重量% 的丙烯,乙烯共聚物组合物,其包含:b1)12重量%至52重量%; 的丙烯均聚物或丙烯/乙烯共聚物,其乙烯衍生单元的含量范围为0.1重量%至4.5重量%; 并且在25℃下测得低于10重量%的二甲苯可溶物含量; b2)为48重量%至88重量%的乙烯衍生单元含量为15.0重量%至42重量%的丙烯乙烯共聚物; 其中所得聚烯烃组合物的熔体流动速率(230℃,5kg,ISO 1133)为0.2g / 10min至4.0g / 10min; 总和A + B为100,总和b1 + b2为100。

    PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS
    312.
    发明申请
    PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS 有权
    制备异构丙烯聚合物组合物的方法

    公开(公告)号:US20140316069A1

    公开(公告)日:2014-10-23

    申请号:US14358753

    申请日:2012-11-07

    Abstract: A process for the preparation of propylene polymer compositions comprising from 50 to 90% by weight of a propylene (co)polymer fraction insoluble in xylene at 25° C., and from 10 to 50% by weight of an ethylene copolymer fraction soluble in xylene at 25° C., said process comprising: (i) a first step of polymerizing propylene in the optional presence of ethylene and/or C4-C10 alpha olefins, to produce a propylene (co)polymer being for at least 85% by weight insoluble in xylene at 25° C.; and (ii) a successive step, carried out in gas-phase, in the presence of the product coming from step (i), of copolymerizing a mixture of ethylene with one or more α-olefins CH2═CHR in which R is a hydrocarbon radical having 1-10 carbon atoms, to produce an ethylene copolymer; the process being carried out in the presence of a catalyst system comprising: the product obtained by contacting: (a) a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two internal electron donor compounds one of which being present in an amount from 35 to 90% by mol with respect to the total amount of donors and being selected from succinates and the other being selected from 1,3-diethers, the total amount of internal electron donor compounds being lower than 14.0% by weight with respect to the total weight of the solid catalyst component; with (b) an aluminum hydrocarbyl compound, and optionally with (c) an external electron donor compound.

    Abstract translation: 一种制备丙烯聚合物组合物的方法,其包含50至90重量%的在25℃下不溶于二甲苯的丙烯(共)聚合物部分和10至50重量%的可溶于二甲苯的乙烯共聚物部分 所述方法包括:(i)在乙烯和/或C 4 -C 10α-烯烃的任选存在下聚合丙烯以产生丙烯(共)聚合物至少85重量%的第一步骤 在25℃不溶于二甲苯。 和(ii)在来自步骤(i)的产物存在下,在气相中进行共聚合乙烯与一种或多种α-烯烃CH 2 = CHR的混合物的连续步骤,其中R是烃 具有1-10个碳原子的基团,以制备乙烯共聚物; 该方法在催化剂体系存在下进行,该催化剂体系包括:通过使(a)包含卤化镁的固体催化剂组分,至少具有Ti-卤素键的钛化合物和至少两个内部电子给体 其中一种相对于供体总量为35至90摩尔%,其中一种选自琥珀酸酯,另一种选自1,3-二醚,内给电子体化合物的总量为 相对于固体催化剂组分的总重量低于14.0重量% 与(b)铝烃基化合物,和任选与(c)外电子给体化合物。

    HIGHLY FILLED SOFT POLYOLEFIN COMPOSITIONS
    315.
    发明申请
    HIGHLY FILLED SOFT POLYOLEFIN COMPOSITIONS 有权
    高填充软质聚烯烃组合物

    公开(公告)号:US20140080953A1

    公开(公告)日:2014-03-20

    申请号:US14116208

    申请日:2012-05-09

    CPC classification number: C08L23/14 C08L23/10 C08L23/16 C08L23/22

    Abstract: Flexible highly filled polyolefin compositions with improved balance of properties particularly for applications where softness and ductility at low temperature is requested comprising a soft heterophasic polyolefin composition the fraction soluble in xylene at 25° C. of said polyolefin composition having IVgpc lower than 2.5 dl/g. Mw/Mn (GPC) equal to or higher than 4. Mz/Mw (GPC) equal to or higher than 2.5. Said polyolefin composition further comprising an inorganic filler (II) selected from flame-retardant inorganic fillers and inorganic oxides or salts and a further elastomeric polymer or polymer composition component (c) having flexural modulus (ISO 178) lower than 60 MPa, Shore A (ISO 868) lower than 90 and Tg (DMTA) lower than −20° C.

    Abstract translation: 柔性高填充聚烯烃组合物具有改善的性能平衡,特别是对于要求低温柔软性和延展性的应用,包括柔软的多相聚烯烃组合物,所述聚烯烃组合物在25℃下可溶于二甲苯的馏分具有低于2.5dl / g 。 Mw / Mn(GPC)等于或高于4.Mz / Mw(GPC)等于或高于2.5。 所述聚烯烃组合物还包含选自阻燃无机填料和无机氧化物或盐的无机填料(II)以及弹性体聚合物或聚合物组合物组分(c),其弯曲模量(ISO 178)低于60MPa,肖氏A( ISO 868)低于90,Tg(DMTA)低于-20℃

    SOFT POLYPROPYLENE COMPOSITIONS
    317.
    发明申请

    公开(公告)号:US20240384077A1

    公开(公告)日:2024-11-21

    申请号:US18694667

    申请日:2022-09-09

    Abstract: A propylene polymer composition made from or containing: A) 65 to 95 wt % of a polypropylene composition having a MFR (230° C./2.16 kg) from 0.2 to 1.2 g/10 min, made from or containing (a) 15 to 45 wt % of a fraction made from or containing a propylene homopolymer, or a copolymer of propylene with ethylene or a CH2═CHR alpha-olefin, having a fraction insoluble in xylene at 25°° C. for at least 90 wt %; and (b) 55 to 75 wt % of a fraction made from or containing a copolymer of ethylene with propylene or CH2═CHR alpha-olefins, containing ethylene derived-units in a quantity lower than 40 wt %, and having solubility in xylene at 25° C. greater than 60 wt %, and (B) 5 to 35 wt % of recycled styrene block copolymer having a melt flow rate (190° C./2.16 Kg) from 0.5 to 15 g/10 min, wherein the propylene polymer composition having a MFR from 0.4 to 1.4 g/10 min.

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